gecko-dev/layout/printing/nsPrintData.cpp

134 строки
4.2 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsPrintData.h"
#include "nsIStringBundle.h"
#include "nsIServiceManager.h"
#include "nsIWidget.h"
#include "nsPrintObject.h"
#include "nsIWebProgressListener.h"
#include "mozilla/Services.h"
#include "PrintPreviewUserEventSuppressor.h"
//-----------------------------------------------------
// PR LOGGING
#include "mozilla/Logging.h"
static mozilla::LazyLogModule gPrintingLog("printing");
#define PR_PL(_p1) MOZ_LOG(gPrintingLog, mozilla::LogLevel::Debug, _p1);
//---------------------------------------------------
//-- nsPrintData Class Impl
//---------------------------------------------------
nsPrintData::nsPrintData(ePrintDataType aType)
: mType(aType),
mPrintDocList(0),
mIsIFrameSelected(false),
mIsParentAFrameSet(false),
mOnStartSent(false),
mIsAborted(false),
mPreparingForPrint(false),
mShrinkToFit(false),
mNumPrintablePages(0),
mNumPagesPrinted(0),
mShrinkRatio(1.0) {
nsCOMPtr<nsIStringBundle> brandBundle;
nsCOMPtr<nsIStringBundleService> svc =
mozilla::services::GetStringBundleService();
if (svc) {
svc->CreateBundle("chrome://branding/locale/brand.properties",
getter_AddRefs(brandBundle));
if (brandBundle) {
brandBundle->GetStringFromName("brandShortName", mBrandName);
}
}
if (mBrandName.IsEmpty()) {
mBrandName.AssignLiteral(u"Mozilla Document");
}
}
nsPrintData::~nsPrintData() {
if (mPPEventSuppressor) {
mPPEventSuppressor->StopSuppressing();
mPPEventSuppressor = nullptr;
}
// Only Send an OnEndPrinting if we have started printing
if (mOnStartSent && mType != eIsPrintPreview) {
OnEndPrinting();
}
if (mPrintDC) {
PR_PL(("****************** End Document ************************\n"));
PR_PL(("\n"));
bool isCancelled = false;
mPrintSettings->GetIsCancelled(&isCancelled);
nsresult rv = NS_OK;
if (mType == eIsPrinting && mPrintDC->IsCurrentlyPrintingDocument()) {
if (!isCancelled && !mIsAborted) {
rv = mPrintDC->EndDocument();
} else {
rv = mPrintDC->AbortDocument();
}
if (NS_FAILED(rv)) {
// XXX nsPrintData::ShowPrintErrorDialog(rv);
}
}
}
}
void nsPrintData::OnStartPrinting() {
if (!mOnStartSent) {
DoOnProgressChange(0, 0, true,
nsIWebProgressListener::STATE_START |
nsIWebProgressListener::STATE_IS_DOCUMENT |
nsIWebProgressListener::STATE_IS_NETWORK);
mOnStartSent = true;
}
}
void nsPrintData::OnEndPrinting() {
DoOnProgressChange(100, 100, true,
nsIWebProgressListener::STATE_STOP |
nsIWebProgressListener::STATE_IS_DOCUMENT);
DoOnProgressChange(100, 100, true,
nsIWebProgressListener::STATE_STOP |
nsIWebProgressListener::STATE_IS_NETWORK);
}
void nsPrintData::DoOnProgressChange(int32_t aProgress, int32_t aMaxProgress,
bool aDoStartStop, int32_t aFlag) {
size_t numberOfListeners = mPrintProgressListeners.Length();
for (size_t i = 0; i < numberOfListeners; ++i) {
nsCOMPtr<nsIWebProgressListener> listener =
mPrintProgressListeners.SafeElementAt(i);
if (NS_WARN_IF(!listener)) {
continue;
}
listener->OnProgressChange(nullptr, nullptr, aProgress, aMaxProgress,
aProgress, aMaxProgress);
if (aDoStartStop) {
listener->OnStateChange(nullptr, nullptr, aFlag, NS_OK);
}
}
}
void nsPrintData::DoOnStatusChange(nsresult aStatus) {
size_t numberOfListeners = mPrintProgressListeners.Length();
for (size_t i = 0; i < numberOfListeners; ++i) {
nsCOMPtr<nsIWebProgressListener> listener =
mPrintProgressListeners.SafeElementAt(i);
if (NS_WARN_IF(!listener)) {
continue;
}
listener->OnStatusChange(nullptr, nullptr, aStatus, nullptr);
}
}